NASA's World as Art

December 11, 2012 |By JAKE ELLISON

Earth-observing environmental satellite images

NASA

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The stroke of red in this 2004 Landsat 5 image is a remarkable interplay of light and cloud in the Canadian Rockies. The Rocky Mountain Trench is a valley that stretches from the U.S. state of Montana to just south of Canada’s Yukon Territory. It runs parallel with the peaks of the Canadian Rockies, ranging from 3 to 16 kilometers wide. Low clouds filled a part of the Trench near the border between the Canadian provinces of Alberta and British Columbia. The light-reflecting nature of the clouds coupled with low Sun elevation resulted in this startling effect. The Trench aligns with the Fraser River and makes its way past Mount Robson, the highest peak in the Canadian Rockies. Mount Robson is near the center of this image.

NASA

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The stroke of red in this 2004 Landsat 5 image is a remarkable interplay of light and cloud in the Canadian Rockies. The Rocky Mountain Trench is a valley that stretches from the U.S. state of Montana to just south of Canada’s Yukon Territory. It runs parallel with the peaks of the Canadian Rockies, ranging from 3 to 16 kilometers wide. Low clouds filled a part of the Trench near the border between the Canadian provinces of Alberta and British Columbia. The light-reflecting nature of the clouds coupled with low Sun elevation resulted in this startling effect. The Trench aligns with the Fraser River and makes its way past Mount Robson, the highest peak in the Canadian Rockies. Mount Robson is near the center of this image.